I wrote a patent, but after searching, I found that there is someone with almost the same rights as mine, but my rights are better than his. In this case, I

In this case, it is recommended that you merge the subordinate item into the sovereign item, or delete the sovereign item if the sovereign item is not important.

The former method requires the authorization of the previous applicant before you can produce it, because you are based on someone else’s patent and it is patent infringement without permission; the second method does not allow you to produce it. It requires the consent of the previous applicant and is an original invention.

You can apply for the same date to ensure that the utility model can be authorized.